—v.t. 1. to amend or alter: to revise one's opinion. 2. to alter something already written or printed, in order to make corrections, improve, or update: to revise a manuscript. 3. Brit.to review (previously studied materials) in preparation for an examination.
—n. 1. an act of revising.
2. a revised form of something; revision.
3. Print.a proof sheet taken after alterations have been made, for further examination or correction.